CVE-2024-21364

Local privilege escalation via exposed MySQL credentials

Published Feb 13, 2024 · Updated Aug 10, 2026

Improper access control in Microsoft Azure Site Recovery before 9.57 allows local users to elevate privileges on a targeted system or database. The Configuration Server permits locally executed code to assume IUSR and discover the MySQL root password and other stored encrypted credentials. Local access to an ASR machine is required, and gained root privileges are limited to the targeted system or database.

CVSS severity9.3
Critical
EPSS probability0.62%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Microsoft Azure Site Recovery before 9.57 allows local users to elevate privileges on a targeted system or database. The Configuration Server permits locally executed code to assume IUSR and discover the MySQL root password and other stored encrypted credentials. Local access to an ASR machine is required, and gained root privileges are limited to the targeted system or database.

The record

CVE
CVE-2024-21364
Published
Feb 13, 2024
Updated
Aug 10, 2026
Vendor
Microsoft
Product
Azure Site Recovery
Classifications
CWE-284, T1068
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2021 <9.57

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Microsoft · Azure Site Recoveryversion=2021 <9.57

Published CVSS scores

9.3MicrosoftCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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